A remote-assistance call is useful when the wearer can understand instructions and the expert can see enough to make a decision. A convincing video demonstration is only one part of that assessment. Start with a real workflow: read a label, identify a component, perform an action and confirm the result. Use the same workflow for every candidate RTC service.
Define who watches and who speaks
One expert guiding one wearer differs from several people watching the same session. Specify the initial participant count, whether experts need to hand over the call, who can use a microphone and how the wearer accepts or ends a session. For multiple viewers, establish which media each participant receives before estimating usage.
The wearer may have both hands occupied. Test answering, muting and ending the call while the glasses are actually being worn. Buttons, voice controls and other interaction choices belong to the product design. The integration brief should make their relationship to the RTC service explicit.
Evaluate three kinds of task
For static detail, ask the expert to read labels of the real size under representative lighting and at a practical distance. For movement, include walking, turning the head and handling tools. Determine whether movement prevents the expert from understanding what is happening.
For conversation, have both participants alternate naturally and occasionally speak at the same time. Record whether either person has to repeat instructions, wait unexpectedly or ask for a different camera position. These observations connect technical testing to the reason the product exists.
Save unsuccessful attempts as well as successful examples. Record device versions, network conditions and the number of attempts. Have the business owner define what would interrupt the task, then ask engineering to associate those observations with measurable indicators.
Make interruptions understandable
Users should be able to distinguish a muted microphone, a frozen picture and a disconnected call. Consider visible connection status and an agreed response to degraded quality. After recovery, prompt participants to confirm where they are in the workflow. A stale image must not look like a continuously updated view of the scene.
Browser connection statistics can help diagnose problems, but they do not establish task success. In particular, network round-trip time is different from the time between a physical action and its appearance on the remote screen. State the measurement method when reporting either one.
Separate communication from application features
Annotations, work orders, recording, expert assignment and access control should not be assumed to come with RTC. For each requested feature, identify the responsible system and whether there is a separate charge. This keeps the first deployment focused and makes quotations easier to compare.
This is a general acceptance approach, not a performance promise. Test it with the intended glasses, receiving client and deployment networks. When requesting RTC integration advice and pricing, include the guidance workflow and participant relationships so the communication scope can be assessed.
Reference: MDN getStats documentation explains browser connection statistics. The task-based evaluation method above is a project recommendation.